<?php
namespace App\Models\Trade\Common;

use App\Models\Model;

class SetSystemModel extends Model
{

    const TABLENAME = 'tw_trade_set_system';

    /**
     * 获取联系信息
     *
     * @return array
     */
    public static function selectByFirst()
    {
        return self::dbTable()->select('contact_tel')->first();
    }
}
